<?PHP //$Id: block_messages.php,v 1.13.4.4 2008/03/03 11:41:03 moodler Exp $

class block_messages extends block_base {
	function init() {
		$this->title = get_string('messages','message');
		$this->version = 2007101509;
	}

	function get_content() {
		global $USER, $CFG;

		if (!$CFG->messaging) {
			return ''; 
		}

		if ($this->content !== NULL) {
			return $this->content;
		}

		$this->content = new stdClass;
		$this->content->text = '';
		$this->content->footer = '';
		
		if (empty($this->instance) or empty($USER->id) or isguest() or empty($CFG->messaging)) {
			return $this->content;
		}

		$this->content->footer = '<a href="'.$CFG->wwwroot.'/message/index.php" onclick="this.target=\'message\'; return openpopup(\'/message/index.php\', \'message\', \'menubar=0,location=0,scrollbars,status,resizable,width=400,height=500\', 0);">'.get_string('messages', 'message').'</a>...';

		$users = get_records_sql("SELECT m.useridfrom as id, COUNT(m.useridfrom) as count,
										 u.firstname, u.lastname, u.picture, u.imagealt, u.lastaccess
									   FROM {$CFG->prefix}user u, 
											{$CFG->prefix}message m 
									   WHERE m.useridto = '$USER->id' 
										 AND u.id = m.useridfrom
									GROUP BY m.useridfrom, u.firstname,u.lastname,u.picture,u.lastaccess,u.imagealt");


		//Now, we have in users, the list of users to show
		//Because they are online
		if (!empty($users)) {
			$this->content->text .= '<ul class="list">';
			foreach ($users as $user) {
				$timeago = format_time(time() - $user->lastaccess);
				$this->content->text .= '<li class="listentry"><div class="user"><a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&amp;course='.$this->instance->pageid.'" title="'.$timeago.'">';
				$this->content->text .= print_user_picture($user, $this->instance->pageid, $user->picture, 0, true, false, '', false);
				$this->content->text .= fullname($user).'</a></div>';
				$this->content->text .= '<div class="message"><a href="'.$CFG->wwwroot.'/message/discussion.php?id='.$user->id.'" onclick="this.target=\'message_'.$user->id.'\'; return openpopup(\'/message/discussion.php?id='.$user->id.'\', \'message_'.$user->id.'\', \'menubar=0,location=0,scrollbars,status,resizable,width=400,height=500\', 0);"><img class="iconsmall" src="'.$CFG->pixpath.'/t/message.gif" alt="" />&nbsp;'.$user->count.'</a>';
				$this->content->text .= '</div></li>';
			}
			$this->content->text .= '</ul>'; 
		} else {
			$this->content->text .= '<div class="info">';
			$this->content->text .= get_string('nomessages', 'message');
			$this->content->text .= '</div>'; 
		}

		return $this->content;
	}
}

?>
